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Finding the Fourth Proportional to 1,200,208,757.06, 1,797,983,681.42 and 884,501,422.58

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Solution

The fourth proportional to 1,200,208,757.06, 1,797,983,681.42 and 884,501,422.58 is: 1,325,035,427.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,200,208,757.06 : 1,797,983,681.42 = 884,501,422.58 : x
  2. Step 2: Convert to fraction form
    1,200,208,757.06/1,797,983,681.42 = 884,501,422.58/x
  3. Step 3: Cross multiply
    1,200,208,757.06x = 1,797,983,681.42 × 884,501,422.58
  4. Step 4: Simplify right side
    1,200,208,757.06x = 1,590,319,123,991,615,744
  5. Step 5: Solve for x
    x = 1,590,319,123,991,615,744/1,200,208,757.06
  6. Step 6: Final answer
    x = 1,325,035,427.91

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.